GE Industrial Solutions Entellisys 4.0 System User Manual - Manual (Page 203)

Troubleshooting 203
13
13.3 Troubleshooting
Alarms are setup to send e-mail notifications, but notifications are not received
Make sure that the firewall is configured to allow communication between the specified
e-mail server and the HMI.
Email can only be sent from a Local HMI which must be configured as a “Master.”